[ubuntu/bionic-security] zlib 1:1.2.11.dfsg-0ubuntu2.2 (Accepted)

[Rodrigo Figueiredo Zaiden]

zlib (1:1.2.11.dfsg-0ubuntu2.2) bionic-security; urgency=medium

  * SECURITY UPDATE: heap-based buffer over-read
    - debian/patches/CVE-2022-37434-1.patch: in inflate.c, add an extra
      condition to check if state->head->extra_max is greater than len
      before copying, and move the len assignment to be placed before the
      check.
    - debian/patches/CVE-2022-37434-2.patch: in the previous patch, in
      inflate.c, the place of the len assignment was causing issues so it
      was moved to be placed within the check.
    - CVE-2022-37434

Date: 2022-08-16 22:50:11.911618+00:00
Changed-By: Rodrigo Figueiredo Zaiden <rodrigo.zaiden at canonical.com>
https://launchpad.net/ubuntu/+source/zlib/1:1.2.11.dfsg-0ubuntu2.2
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